Math CentralQuandaries & Queries


Question from George:

How many cubic feet in a cubic yard?


cubic yard

A cubic yard is a yard cubed. So

(1 yard )3 = 13 yard3 = 1 yard3 = 1 cubic yard .

Since 1 yard = 3 feet, we have

1 cubic yard = (1 yard)3 = (3 feet)3 = 33 feet3 = 27 cubic feet.

Simply put, when dealing with square or cubic units, you square or cube the appropriate conversion factor.

Stephen La Rocque.

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